Julien Vehent 's Avatar

Julien Vehent

@jvehent.org

Security engineer. Amateur photographer. Floridian Vermonter Frenchman. Signal: @jvehent.37

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18.08.2023
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Latest posts by Julien Vehent @jvehent.org

Is Living Off The Land the New Zero-Day? I want to come back to the Stryker cyberattack that occurred earlier this week. Stryker, a medical device company, was targeted on Wednesday by a threat actor group associated with the Iranian governm...

Friday thoughts: Is Living Off The Land the New Zero-Day?

jvehent.org/2026/03/13/I...

13.03.2026 16:00 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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24.01.2026 14:39 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
Probabilities and low signal-to-noise in threat detection tl;dr: probabilistic approach to threat detection, particularly for behavior-based anomalies where traditional deterministic rules struggle, can be used to combine high false-positive signals across a...

I wrote some words on dealing with high false positives, particularly for UEBA.

jvehent.org/2025/09/15/p...

15.09.2025 13:15 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
The experience of the analyst in an AI-powered present A few years ago, I wrote that my Detection & Response (D&R) team at Google was β€œgradually moving away from just writing rules, into implementing large scale detection software that requires an underst...

I wrote some words on the need for new skills for AI-powered detection in D&R teams, and on the evolution of security engineering becoming an AI science, demanding deep cybersecurity knowledge for effective AI model development.

jvehent.org/2025/08/30/T...

30.08.2025 12:41 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

A beautiful form of protest from a Ukrainian maker: youtu.be/ijHYd1FS698?...

06.07.2025 13:40 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

The 21st century is 25% completed.

02.07.2025 14:53 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Louise (6 y/o) is taking a beginner scratch programming class online. With two other girls, and a woman instructor. so I don't know if my generation will ever see equality of gender in tech, but we sure as heck are investing in the next generation.

03.06.2025 14:40 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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stepping out of the echo chamber for a moment: 40% of respondents from my district in Florida thing trump is doing great.

40% !!!

01.06.2025 16:51 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
The Decline
The Decline YouTube video by NOFX - Topic

I wish I had a schilling
For every senseless killing
I'd buy a government
America's for sale
And you can get a good deal on it
And make a healthy profit

---

25 years ago: NOFX, The Decline.

music.youtube.com/watch?v=OPJY...

31.05.2025 10:54 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

I just asked gemini to tell me the story of the Dalton brothers, and it honestly felt like listening to a historical podcast. Even the narrator has a slight southern accent. This is beyond impressive.

28.04.2025 14:10 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

PSA: red baseball caps with white writing are no longer ok. It doesn't matter what the writing says.

20.04.2025 16:24 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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"... not committed to winning [him a lot of money]"

There. I fixed that headline for you.

03.04.2025 12:26 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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I am genuinely impressed with Gemini explained construction-speak I'm not familiar with. Such a good explanation!

02.04.2025 20:39 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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my workshop utilizes at leave 4 of those ....

31.03.2025 14:43 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Yes, unregulated AI is exactly what society needs. It will benefit the lower classes just as well as unregulated free markets have. Trust in the system....

techcrunch.com/2025/03/18/j...

19.03.2025 13:05 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Mozilla warns users to update Firefox before certificate expires Mozilla is warning Firefox users to update their browsers to the latest version to avoid facing disruption and security risks caused by the upcoming expiration of one of the company's root certificate...

Update you Firefox to renew the root signing cert that expires in May. I don't want a rerun of May 2019...

www.bleepingcomputer.com/news/softwar...

13.03.2025 11:55 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Sunset on the Warm Brook

10.03.2025 16:23 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

I'm still not over the fact that Amazon Prime doesn't return actual prime numbers. That's why I subscribed in the first place...

03.03.2025 13:33 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Snow!

23.02.2025 13:22 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Apple pulls data protection tool after UK government security row Customers' photos and documents stored online will no longer be protected by end-to-end encryption.

Elect shitty governments, win shitty prizes.

www.bbc.com/news/article...

22.02.2025 13:35 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Here's video of Steve Bannon doing a Sieg Heil today at CPAC. It is what it is and it's what Bannon intended. Don't let yourself be gaslit.

21.02.2025 03:54 πŸ‘ 18206 πŸ” 6207 πŸ’¬ 1403 πŸ“Œ 1443
"I want my $17,000 back"
"I want my $17,000 back" YouTube video by Blacktail Studio

Woodworking? Messing with scammers? Making people feel good? Yes Please!

youtu.be/ZGeZ8zY_vf4?...

15.02.2025 13:55 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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One of our supporters shared this with usβ€”people are getting creative tonight!

14.02.2025 04:25 πŸ‘ 83849 πŸ” 25987 πŸ’¬ 760 πŸ“Œ 899
New York Times saying Kendrick Lamar's Super Bowl half time show focused on a rap beef "at the expense of a larger statement."

New York Times saying Kendrick Lamar's Super Bowl half time show focused on a rap beef "at the expense of a larger statement."

Samuel L. Jackson dressed as Uncle Sam, performing in the Super Bowl half time show.

Samuel L. Jackson dressed as Uncle Sam, performing in the Super Bowl half time show.

Kendrick Lamar performing at the Super Bowl half time show, standing in the center of an all Black groups of dancers in red, white, and blue, arranged like the American flag.

Kendrick Lamar performing at the Super Bowl half time show, standing in the center of an all Black groups of dancers in red, white, and blue, arranged like the American flag.

Kendrick Lamar performing at the Super Bowl half time show, standing in the center of an all Black groups of dancers in red, white, and blue, arranged like an American flag that is splitting in the middle.

Kendrick Lamar performing at the Super Bowl half time show, standing in the center of an all Black groups of dancers in red, white, and blue, arranged like an American flag that is splitting in the middle.

I have wondered if the New York Times has been acting as handmaidens of fascism because the paper's leaders find it appealing, but now I'm wondering how many people with prominent positions there are just genuinely stupid.

10.02.2025 15:19 πŸ‘ 7653 πŸ” 1147 πŸ’¬ 284 πŸ“Œ 116

Tracers In The Dark is a fantastic book, and Gambaryan's story a great tale of investigating the darknet. These people deserve to be treated as heroes.

Though perhaps in a world where silk road founders get pardoned, this may never truly happen...

10.02.2025 15:08 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Teen on Musk’s DOGE Team Graduated from β€˜The Com’ Wired reported this week that a 19-year-old working for Elon Musk's so-called Department of Government Efficiency (DOGE) was given access to sensitive US government systems even though his past associ...

Remember when tech billionaires crusaded against universities, claiming degrees were useless and young people should just join startups instead?

It wasn't for the good of those young people, but to manipulate gullible teens into doing their bidding.

krebsonsecurity.com/2025/02/teen...

10.02.2025 15:02 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

I must have watched it a dozen times, but the rooftop scene at the end of season 2 of Sherlock must be some of the most unhinged television ever filmed.

09.02.2025 19:42 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Is there a country with a GDP over 1 trillion that does not have billionaires?

09.02.2025 17:53 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Science and technology in Nazi Germany - Wikipedia

we're so focused on building AI that we're forgetting to ask if we're building it for the benefit of oppressive governments

en.wikipedia.org/wiki/Science...

28.01.2025 13:17 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

I've enjoyed The Perfectionists by Simon Winchester. Very nerdy, but extremely well put together.

27.01.2025 01:51 πŸ‘ 0 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0